Fix wrong pluralization key in en.yml
Fix wrong pluralization key in en.yml

diaspora/diaspora,diaspora/diaspora,diaspora/diaspora,geraspora/diaspora,SuperTux88/diaspora,Amadren/diaspora,diaspora/diaspora,spixi/diaspora,Flaburgan/diaspora,despora/diaspora,despora/diaspora,Muhannes/diaspora,despora/diaspora,KentShikama/diaspora,jhass/diaspora,KentShikama/diaspora,jhass/diaspora,despora/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,Amadren/diaspora,spixi/diaspora,jhass/diaspora,KentShikama/diaspora,SuperTux88/diaspora,Flaburgan/diaspora,spixi/diaspora,geraspora/diaspora,Muhannes/diaspora,jhass/diaspora,geraspora/diaspora,spixi/diaspora,Muhannes/diaspora,Amadren/diaspora,Flaburgan/diaspora,Amadren/diaspora,Muhannes/diaspora,Flaburgan/diaspora,geraspora/diaspora,KentShikama/diaspora